The Premier Decorations 2000 LED Multi-Action Treebrights - White are superbright energy efficient LED lights which can be used indoors and outdoors. They come with 5m of cable before the first bulb and 50m of lights. These lights provide four times more light per metre than regular lights with a 2.5cm bulb spacing, and the 8 programmable settings with timer function ensure the most festive Christmas lighting effect. Ideal for use on 3m / 10Ft tree.